polars.Expr.cosh

Expr.cosh() → Self

Compute the element-wise value for the hyperbolic cosine.

Returns:

Expr

Expression of data type Float64.

Examples

>>> df = pl.DataFrame({"a": [1.0]})
>>> df.select(pl.col("a").cosh())
shape: (1, 1)
┌──────────┐
│ a        │
│ ---      │
│ f64      │
╞══════════╡
│ 1.543081 │
└──────────┘